Rationalise this denominator and simplify​

If x is 6, then 7x= a. 13 b. 42 c. 42x d. 76

Using graph paper, determine the line described by the given point and slope. click to show the correct graph below.(0, 0) and 2/3

Assume that adults have iq scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20. find the probability that a randomly selected adult has an iq between 80 and 120.assume that adults have iq scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20. find the probability that a randomly selected adult has an iq between 80 and 120.